| Abbreviation | Definition |
|---|---|
| JRAI | Journal of the Royal Anthropological Institute |
| JRI | James Redford Institute |
| JRI | Jisan Research Institute |
| JRI | Joint Replacement Institute |
| JRI | Joint Research Institute |
| JRI | Justice Resource Institute |
| JRIC | Joint Replacement Institute of Colorado |
| JRTI | James Rumsey Technical Institute |
| JSI | Junior Scholars Institute |
| JSI | Junior Summer Institute |
| JTCI | Jacobs Technion Cornell Institute |
| JTI | Job Training Institute |
| JTI | Jubail Technical Institute |
| JUIH | Jimma University Institute of Health |
| JVEI | Jan van Es Institute |
| JVI | Joint Vienna Institute |
| KAIM | Kedarnath Aggarwal Institute of Management |
| KAIST | Korea Advanced Institute of Science Technology |
| KAIST | Korean Advanced Institute of Science Technology |
| KARI | Kawanda Agricultural Research Institute |